.tips-div{
    width: 60%;
    height: 650px;
    background-color: white;
    border-radius: 5px;
    box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.1);
    margin: 0 auto;
    padding: 20px;
    overflow-x: hidden;
    overflow-y: scroll;
}

.tips-div::-webkit-scrollbar{
    display: none;
}

.tips-div .title{
    text-align: center;
    height: 45px;
    line-height: 45px;
    border-bottom: 1px solid #ddd;
}

.tips-div p{
    font-size: medium;
}

.tips-div .time{
    height: 30px;
    line-height: 30px;
    text-align: center;
    color: #aaa;
    border-bottom: 1px solid #ddd;
}